I want to make the basics of an open source (sim)racing game (as a test bed for writing tyre models), without using the fairly lacklustre offerings included by default (e.g. no sprung mass, no carcass stiffness etc., idealized suspension etc.). I have no need to go into the bowels of the rendering engine but it struck me that the interactions between PhysX and the actual actor model for the vehicle is almost not documented at all. I assume it's possible to do it solely with PhysX (proper suspension) but I cannot find any case studies of people doing it with the possible exception of their drive project which is under $$$ and NDA I'm guessing.

I was also slightly surprised that I had to go looking for the option to connect to the PhysX debugger. It wasn't hard to find but I was half expecting it to be included with the engine.